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, you ____. A. shouldn39。t B. you39。d better not to C. must D. may not 44. Don39。t believe him. I know he ___ be serious. A. needn39。t B. may not C. mustn39。t D. can39。t 45. ____ it be Xiao Wang who broke the glass? A. May B. Must C. Can D. Should 46. It39。s wrong of you to refuse his offer. You ___ it. A. must accept B. should have received C. ought to have accepted D. should accept 47. Did he break the window? He ____ have done it. A. need B. can C. may D. will not 48. The machine is useless. It ___ work. A. won39。t B. shan39。t C. needn39。t D. doesn39。t 49. Peter ____ e with us tonight, but he isn39。t very sure yet. A. can B. must C. may D. will 50. Has Jack39。s plane landed? No, but it ___ here in a few minutes. A. ought to be B. have to be C. may have been D. should have been 51. The captain said firmly, “Everything ____ be done to save the ship.” A. shall B. will C. may D. can 52. Shall I tell John about it? No, you ____ . I39。ve told him already. A. needn39。t B. wouldn39。t C. mustn39。t D. shouldn39。t 53. Don39。t forget to e to my birthday party tomorrow. _________. A. I don39。t B. I won39。t C. I can39。t D. I haven39。t轉(zhuǎn)自:a href=39。39。育路成人高等教育考試網(wǎng)/a